Uighur Muslims in the city of Karamay are banned from wearing headscarves, having beards or other religiously linked items while using public transportation for the duration of a local sports competition. But the ban may become permanent and stoke tensions between Uighurs and the Chinese government.Uighur Muslims in the city of Karamay are banned from wearing headscarves, having beards or other religiously linked items while using public transportation for the duration of a local sports competition. But the ban may become permanent and stoke tensions between Uighurs and the Chinese government.